Home / 38,557.20-57,720.60-22,966.80

Finding the Fourth Proportional to 38,557.20, 57,720.60 and 22,966.80

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Solution

The fourth proportional to 38,557.20, 57,720.60 and 22,966.80 is: 34,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,557.20 : 57,720.60 = 22,966.80 : x
  2. Step 2: Convert to fraction form
    38,557.20/57,720.60 = 22,966.80/x
  3. Step 3: Cross multiply
    38,557.20x = 57,720.60 × 22,966.80
  4. Step 4: Simplify right side
    38,557.20x = 1,325,657,476.08
  5. Step 5: Solve for x
    x = 1,325,657,476.08/38,557.20
  6. Step 6: Final answer
    x = 34,381.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.